Improvement in steam-boilers



Patented Sept. 5, 1876.

INVENTUM BY A ATTBNEYS.

R M BECK STEAM BOILER.

wmlisssm UNITED STATES 'PATENT OFFICE,

ROBERT M. BECK, OF WESTMINSTER, MARYLAND, ASSIGN OR TO THE TAYLOR l MANUFACTURING COMPANY, OF SAME PLACE.

IMPROVEMENT INKSTEAlVl-BOILERS.

Specification forming part 0f Letters Patent No. 181,900, dated September 5, 1876; app1ica-tion led June 23, 1876.

To all whom it may concern Be it known that I, ROBERT M. BECK, of Westminster, in the county of Carroll and State of Maryland, have invented a new and Improved Steam-Boiler; and I do hereby declare that the following is a full, clear, and exact description of the same.

The invention is an improvement in the class of vertical tubular boilers, and relates to the construction of the upper portion of the saine, as hereinafter described.

The accompanying drawing represents a vertical section of my improved boiler.

A indicates the fire-box; B, the fines, and D the cylindrical casing of the boiler. The sides of the dome C are vertical; the top b of the same inclined or tapered, while the smokebox E has a truncated form.

The dome C, smoke-box E, and due-head a are cast in one piece, in place of being formed of separate wrought-iron plates, riveted together. By this construction, the said parts C E a may be cheaply produced, of any thickness required to withstand any desired pressure of steam. Another, and perhaps the chief, advantage is that all forms of joints or seams being dispensed with, the liability of leakage which attends their use, and is so fruitful a 

